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All ratings refer to the UK growing conditions unless otherwise stated. Minimum
temperature ranges (in degrees C) are shown in brackets
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
Sandy Series are compact annuals to 25cm, with rough, oblong leaves and flat panicles of small flowers in white and shades of pink, red and magenta, some with white eyes
V. bonariensis is a tall perennial with erect, branching stems to 2m in height, bearing sparse, oblong leaves and large branched clusters of small, purple flowers from summer to autumn
'Lawrence Johnston' is a spreading half-hardy perennial to 45cm tall, with toothed, ovate leaves and flat clusters of bright red flowers 1cm across in summer and early autumn
Donalena Lavender Grace is a tender perennial grown as a bedding annual. This semi-trailing plant bears flowerheads of lavender with a white eye through summer
'Bampton' is a bushy, upright perennial with fine, wiry branches bearing deep purple foliage and, from mid-summer to mid autumn, short spikes of small purplish-pink flowers
'Silver Anne' is a vigorous spreading half-hardy perennial to 30cm, with oblong, strongly toothed leaves and flat heads of fragrant pink flowers that fade to white
'Moon River' is a bushy, spreading bedding verbena with finely dissected leaves and violet-purple flowers in summer and autumn
V. hastata f. rosea is an upright perennial that flowers for several months through summer and autumn. Delicate, branching spires carry flower spikes that bear small, clear pink flowers
Quartz Series are compact annuals to 25cm, with ovate leaves and large domed clusters of flowers in shades of red, violet-blue, salmon and white, some with a white eye, in summer and autumn
'Peaches 'n' Cream' is a spreading perennial, grown as an annual to 20cm, with neat oblong leaves and flat heads of light orange-pink flowers which fade to creamy-yellow
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